/*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "tools.h"
/* FIXME Locking. PVs in VG. */
static int _pvchange_single(struct cmd_context *cmd, struct physical_volume *pv,
void *handle __attribute((unused)))
{
struct volume_group *vg = NULL;
const char *vg_name = NULL;
struct pv_list *pvl;
uint64_t sector;
uint32_t orig_pe_alloc_count;
/* FIXME Next three only required for format1. */
uint32_t orig_pe_count, orig_pe_size;
uint64_t orig_pe_start;
if (arg_count(cmd, addtag_ARG))
tagarg = addtag_ARG;
else if (arg_count(cmd, deltag_ARG))
tagarg = deltag_ARG;
if (arg_count(cmd, allocatable_ARG))
allocatable = !strcmp(arg_str_value(cmd, allocatable_ARG, "n"),
"y");
else if (tagarg && !(tag = arg_str_value(cmd, tagarg, NULL))) {
log_error("Failed to get tag");
return 0;
}
/* If in a VG, must change using volume group. */
if (!is_orphan(pv)) {
vg_name = pv_vg_name(pv);
log_verbose("Finding volume group %s of physical volume %s",
vg_name, pv_name);
vg = vg_read_for_update(cmd, vg_name, NULL, 0);
if (vg_read_error(vg)) {
vg_release(vg);
return_0;
}
if (!(pvl = find_pv_in_vg(vg, pv_name))) {
log_error("Unable to find \"%s\" in volume group \"%s\"",
pv_name, vg->name);
goto out;
}
if (tagarg && !(vg->fid->fmt->features & FMT_TAGS)) {
log_error("Volume group containing %s does not "
"support tags", pv_name);
goto out;
}
if (arg_count(cmd, uuid_ARG) && lvs_in_vg_activated(vg)) {
log_error("Volume group containing %s has active "
"logical volumes", pv_name);
goto out;
}
pv = pvl->pv;
if (!archive(vg))
goto out;
} else {
if (tagarg) {
log_error("Can't change tag on Physical Volume %s not "
"in volume group", pv_name);
return 0;
}
vg_name = VG_ORPHANS;
if (!lock_vol(cmd, vg_name, LCK_VG_WRITE)) {
log_error("Can't get lock for orphans");
return 0;
}
if (arg_count(cmd, allocatable_ARG) + arg_count(cmd, addtag_ARG) +
arg_count(cmd, deltag_ARG) + arg_count(cmd, uuid_ARG) != 1) {
log_error("Please give exactly one option of -x, -uuid, "
"--addtag or --deltag");
return EINVALID_CMD_LINE;
}
if (!(arg_count(cmd, all_ARG)) && !argc) {
log_error("Please give a physical volume path");
return EINVALID_CMD_LINE;
}
if (arg_count(cmd, all_ARG) && argc) {
log_error("Option a and PhysicalVolumePath are exclusive");
return EINVALID_CMD_LINE;
}
if (argc) {
log_verbose("Using physical volume(s) on command line");
for (; opt < argc; opt++) {
pv_name = argv[opt];
dm_list_init(&mdas);
if (!(pv = pv_read(cmd, pv_name, &mdas, NULL, 1, 0))) {
log_error("Failed to read physical volume %s",
pv_name);
continue;
}
/*
* If a PV has no MDAs it may appear to be an
* orphan until the metadata is read off
* another PV in the same VG. Detecting this
* means checking every VG by scanning every
* PV on the system.
*/
if (is_orphan(pv) && !dm_list_size(&mdas)) {
if (!scan_vgs_for_pvs(cmd)) {
log_error("Rescan for PVs without "
"metadata areas failed.");
continue;
}
if (!(pv = pv_read(cmd, pv_name,
NULL, NULL, 1, 0))) {
log_error("Failed to read "
"physical volume %s",
pv_name);
continue;
}
}